@book{11166,
	author = {Boyce, William E. and DiPrima, Richard C.},
	title = {Elementary differential equations /},
	publisher = {John Wiley,},
	year = {c2004.},
	address = {Hoboken, NJ :},
	edition = {8th ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/bios/wiley047/2004043373.html}
}